Melissa Merrigan
Family Nurse Practitioner · Klamath Falls, OR
Melissa Merrigan is a family nurse practitioner with a practice address in Klamath Falls, Oregon, and NPI 1871114306, issued on May 6, 2020. Check the license (Oregon 202007154NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Merrigan
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 202007154NP-PP OR
ARNP.AP.70085555-NP WA
Self-reported in NPPES; status is on the state search - Practice location
- 2821 Daggett Ave Ste 100, Klamath Falls, OR 97601
- Phone
- (541) 274-6733
- Enumerated
- May 6, 2020
- Record last updated
- Feb 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20260213003892); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,384 in Oregon → Look up another NPI →
Also registered at 2821 Daggett Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl Barbee, MDFamily Medicine Physician1790723658
- Dayna Barbee, LPC CADCIIIMental Health Counselor1811298706
- Kip BeckwithPhysician Assistant1023738010
- Liana BloomStudent in an Organized Health Care Education/Training Program1427859693
- Madeline Boyd, MDHospice and Palliative Medicine (Family Medicine) Physician1083167118
- Michaela Carlson, FNP-CFamily Nurse Practitioner1881322360
Verify Melissa Merrigan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 202007154NP-PPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,005 Medicare Part D claims for 223 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Lisinopril47 claims
- Albuterol Sulfate Hfa45 claims
- Atorvastatin Calcium35 claims
- Omeprazole31 claims
- Amlodipine Besylate30 claims
- Levothyroxine Sodium30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Sky Lakes Medical Center IncKlamath Falls, OR
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Merrigan among 2,384 family nurse practitioner records in Oregon
Melissa Merrigan is one of 2,384 family nurse practitioner records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 73% of them.
- NPI issued2020 · 73% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2017 among the 1,390 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family nurse practitioner records list a practice address in Klamath Falls
They are 56 of the 1,946 NPPES records with a practice address in Klamath Falls, and 2,384 family nurse practitioner records in Oregon.
All 2,384 in Oregon → Every provider in Klamath Falls → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Scott Alexander, FNPKlamath Falls, OR 976011831439454
- Darcy Butcher, FNPCKlamath Falls, OR 976011083614630
- Elena Herrera, FNPKlamath Falls, OR 976011780805556
- Laina Holland, FNPKlamath Falls, OR 976011174639157
- Amy Holweger, FNPKlamath Falls, OR 976011902870835
- Alexandra Larsen, F.N.P.Klamath Falls, OR 976011366782716
- Katherine Murphey, FNPKlamath Falls, OR 976011407987811
- Judith Olson, FNPKlamath Falls, OR 976011437186897
Common questions
What is Melissa Merrigan's NPI number?
Melissa Merrigan's National Provider Identifier (NPI) is 1871114306, issued on May 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Merrigan located?
The NPPES record lists a practice address at 2821 Daggett Ave Ste 100, Klamath Falls, OR, 97601. Phone: (541) 274-6733. Providers update this record themselves, so call before visiting.
How can I verify Melissa Merrigan's license?
NPPES lists Oregon license number 202007154NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Merrigan prescribe under Medicare Part D?
In 2024, Melissa Merrigan had 1,005 Medicare Part D claims for 223 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.